Reading order
| # | Title | Published | Author | Buy on Amazon |
|---|---|---|---|---|
| 1 | Firestorm | 2006 | David Klass | Buy |
| 2 | Whirlwind | 2008 | David Klass | Buy |
| 3 | Timelock | 2009 | David Klass | Buy |
The Caretaker trilogy begins with Firestorm (2006), in which a teenager named Jack discovers that he is not who he thinks he is and that his mission involves saving the planet from ecological collapse. The story moves quickly, mixing action sequences with environmental commentary aimed at young adult readers. Whirlwind (2008) and Timelock (2009) raise the stakes as Jack’s mission becomes more desperate.
The trilogy combines science fiction elements like time travel with real-world environmental concerns, making it one of the earlier YA series to center ecological themes in an action-adventure format. The books work best when read in order, as the overarching plot builds across all three volumes.